Home / 52,175,712.47-72,030,437.04-40,228,432.22

Finding the Fourth Proportional to 52,175,712.47, 72,030,437.04 and 40,228,432.22

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Solution

The fourth proportional to 52,175,712.47, 72,030,437.04 and 40,228,432.22 is: 55,536,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175,712.47 : 72,030,437.04 = 40,228,432.22 : x
  2. Step 2: Convert to fraction form
    52,175,712.47/72,030,437.04 = 40,228,432.22/x
  3. Step 3: Cross multiply
    52,175,712.47x = 72,030,437.04 × 40,228,432.22
  4. Step 4: Simplify right side
    52,175,712.47x = 2,897,671,553,880,466
  5. Step 5: Solve for x
    x = 2,897,671,553,880,466/52,175,712.47
  6. Step 6: Final answer
    x = 55,536,789.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.